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| Season: | 15 |
| Doctor: | Fourth Doctor |
| Companion | Leela |
| K9 Mk1 | |
| Original Airdate: | 1st October - 22nd October 1977 |
| Format: | 4 25-minute episodes |
| Production Code: | 4T |
| Writer: | Bob Baker |
| Dave Martin | |
| Director: | Derrick Goodwin |
| Producer: | Graham Williams |
Cast
Edmund Pegge......Meeker
Crew
Bad Guys
Story Notes
- This story was listed on the 1970s sound effects LP as "The Enemy Within"
Myths
Statistics
Broadcast Dates
Duration
Ratings
Continuity
Cultural References
Influences
Location Filming
Quotes
Story Arcs
Errors and Plot Holes
More Info
External Links
Television
| Previous story: Horror of Fang Rock |
Next story: Image of the Fendahl |
All Media
| Previous story: The Destroyers |
Next story: The Crimson Dawn |
